| Acronym | Definitions |
|---|---|
| SESAME | 6 |
| SESC | 4 |
| SESI | 2 |
| SEST | 2 |
| SET | 14 |
| SETA | 3 |
| SETAC | 2 |
| SETF | 2 |
| SETI | 2 |
| SETS | 8 |
| SETT | 2 |
| SEU | 8 |
| SEV | 11 |
| SEVAS | 1 |
| SEVIRI | 2 |
| SEW | 5 |
| sew. | 2 |
| SEWC | 2 |
| SEWD | 2 |
| SEWG | 2 |
| SEWS | 3 |
| SEX | 4 |
| SEXAFS | 2 |
| SF | 52 |
| SFA | 19 |
| SFAC | 2 |
| SFAIAA | 1 |
| SFAR | 2 |
| SFAS | 4 |
| SFB | 4 |
(691 — 720 of 2045)